gcc/ChangeLog

   1 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
   2
   3         * doc/install.texi: Add doc for --enable-checking=df.
   4
   5 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
   6
   7         PR rtl-optimization/34808
   8         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
   9
  10 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
  11
  12         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
  13         input.
  14
  15 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
  16
  17         PR rtl-optimization/26854
  18         PR rtl-optimization/34400
  19         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
  20         DF_RD->gen.
  21         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
  22         (df_rd_bb_info.expanded_lr_out): New.
  23         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
  24         * loop_iv.c (iv_analysis_loop_init): Ditto.
  25         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
  26         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
  27         Added code to allocate, initialize or free expanded_lr_out.
  28         (df_rd_bb_local_compute_process_def): Restructured to make
  29         more understandable.
  30         (df_rd_confluence_n): Add code to do nothing with fake edges and
  31         code to no apply invalidate_by_call sets if the sets are being trimmed.
  32         (df_lr_local_finalize): Renamed to df_lr_finalize.
  33         (df_live_local_finalize): Renamed to df_live_finalize.
  34
  35 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
  36
  37         PR target/34831
  38         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
  39         deciding whether to use reciprocal instructions.
  40
  41 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
  42
  43         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
  44         dwarf2out_note_section_used if cold_text_section is NULL.
  45
  46 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
  47
  48         PR gcov-profile/34610
  49         * tree-cfg.c (make_edges): Mark both outgoing edges from
  50         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
  51         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
  52         from OMP_FOR and OMP_CONTINUE outgoing edges.
  53
  54         * tree-profile.c (tree_profiling): Return early if
  55         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
  56         at the end.
  57         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
  58         from cfun to child_cfun.
  59         * function.h (struct function): Add after_tree_profile bit.
  60
  61 2008-01-19 Anatoly Sokolov <aesok@post.ru>
  62
  63         * config/avr/avr.S (_exit): Disable interrupt.
  64
  65 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
  66             Steven Bosscher  <stevenb.gcc@gmail.com>
  67
  68         PR rtl-optimization/26854
  69         PR rtl-optimization/34400
  70         * df-problems.c (df_live_scratch): New scratch bitmap.
  71         (df_live_alloc): Allocate df_live_scratch when doing df_live.
  72         (df_live_reset): Clear the proper bitmaps.
  73         (df_live_bb_local_compute): Only process the artificial defs once
  74         since the order is not important.
  75         (df_live_init): Init the df_live sets only with the variables
  76         found live by df_lr.
  77         (df_live_transfer_function): Use the df_lr sets to prune the
  78         df_live sets as they are being computed.
  79         (df_live_free): Free df_live_scratch.
  80
  81 2008-01-18  Ian Lance Taylor  <iant@google.com>
  82
  83         * common.opt: Add fmerge-debug-strings.
  84         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
  85         flag_merge_debug_strings rather than flag_merge_constants.
  86         * doc/invoke.texi (Option Summary): Mention
  87         -fmerge-debug-strings.
  88         (Debugging Options): Document -fmerge-debug-strings.
  89
  90 2008-01-18  Ian Lance Taylor  <iant@google.com>
  91
  92         PR c++/33407
  93         * tree.h (DECL_IS_OPERATOR_NEW): Define.
  94         (struct tree_function_decl): Add new field operator_new_flag.
  95         * tree-inline.c (expand_call_inline): When inlining a call to
  96         operator new, force the return value to go into a variable, and
  97         set DECL_NO_TBAA_P on that variable.
  98         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
  99
 100 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
 101
 102         PR debug/34484
 103         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
 104         DWARF2_DEBUGGING_INFO.
 105         (dwarf2out_note_section_used): Ditto.  Add prototype.
 106         (have_multiple_function_sections, text_section_used,
 107         cold_text_section_used, *cold_text_sections): Move declarations
 108         before their uses.
 109
 110 2007-01-17  Bob Wilson  <bob.wilson@acm.org>
 111
 112         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
 113         field and add signal_ra.
 114         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
 115         assignments to frame state pc.  Move end of stack check after
 116         MD_FALLBACK_FRAME_STATE_FOR.
 117         (uw_update_context_1): Use frame state signal_regs if set, instead
 118         of checking signal_frame flag.
 119         (uw_update_context): Use frame state signal_ra if set.
 120         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
 121         * config/xtensa/linux-unwind.h: New file.
 122
 123 2007-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
 124
 125         * modulo-sched.c (get_sched_window): Fix comment typo.
 126
 127 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
 128
 129         PR tree-optimization/34648
 130         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
 131
 132 2008-01-17  Anatoly Sokolov <aesok@post.ru>
 133
 134         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
 135         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
 136
 137 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
 138
 139         PR rtl-optimization/34400
 140         * df-core.c (df_worklist_dataflow_overeager,
 141         df_worklist_dataflow_doublequeue): New functions.
 142         (df_worklist_dataflow): Two different worklist solvers.
 143         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
 144         New param.
 145
 146 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 147
 148         PR testsuite/34821
 149         * doc/invoke.texi: Document the dependence on pthread for fopenmp
 150         and ftree-parallelize-loops.
 151
 152 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
 153
 154         PR rtl-optimization/34826
 155         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
 156
 157 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 158
 159         * global.c (find_reg): Mark the eh regs as used if necessary.
 160         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
 161         * ra.h (struct allocno): no_eh_reg field added.  Changed
 162         no_stack_reg type to bitfield.
 163
 164 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
 165
 166         * tree.c (substitute_in_expr): Add missing 'break'.
 167
 168 2008-01-17  Richard Guenther  <rguenther@suse.de>
 169
 170         PR tree-optimization/34825
 171         * tree-ssa-math-opts.c (is_division_by): Do not recognize
 172         x / x as division to handle.
 173
 174 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 175
 176         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
 177         "-pthread" is specified.
 178         * pa-hpux11.h (LIB_SPEC): Likewise.
 179
 180 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
 181             Peter Bergner  <bergner@vnet.ibm.com>
 182
 183         PR rtl-optimization/33796
 184         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
 185
 186 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 187
 188         PR libgfortran/34699
 189         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
 190         static links.
 191         * pa-hpux10.h (LINK_SPEC): Likewise.
 192         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
 193
 194 2008-01-16  Richard Guenther  <rguenther@suse.de>
 195
 196         PR middle-end/32628
 197         * fold-const.c (fold_convert_const_int_from_int): Do not
 198         set overflow if that occured only because of a sign extension
 199         change when converting from/to a sizetype with the same
 200         precision and signedness.
 201
 202 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 203
 204         PR debug/34249
 205         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
 206         location address to the correct place.  Update copyright year.
 207
 208 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 209
 210         * lambda-code.c (lambda_transform_legal_p): Handle the case of
 211         no dependences in the dependence_relations vector.
 212
 213 2008-01-16  Jan Hubicka  <jh@suse.cz>
 214
 215         PR rtl-optimization/31396
 216         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
 217         * cfg.c (dump_reg_info): Print it.
 218         * regs.h (struct reg_info_t): add freq_calls_crossed.
 219         (REG_FREQ_CALLS_CROSSED): New macro.
 220         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
 221         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
 222         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
 223         regmove_optimize): Update call crossed frequencies.
 224         * local-alloc.c (struct qty): Add freq_calls_crossed.
 225         (alloc_qty): Copute freq_calls_crossed.
 226         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
 227         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
 228         * ra.h (struct allocno): Add freq_calls_crossed.
 229
 230 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 231
 232         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
 233         libgomp when compiling with ftree-parallelize-loops.
 234         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
 235
 236 2008-01-16  Richard Guenther  <rguenther@suse.de>
 237
 238         PR tree-optimization/34769
 239         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
 240         * tree.c (int_cst_value): Instead make this function more
 241         permissive in what it accepts as valid input.  Document this
 242         function always sign-extends the value.
 243
 244 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
 245             Richard Guenther  <rguenther@suse.de>
 246
 247         PR c/34668
 248         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
 249         (gimple_fold_indirect_ref_rhs): ... this.
 250         (gimple_fold_indirect_ref): New function with foldings
 251         that preserve lvalueness.
 252         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
 253         * tree-flow.h (gimple_fold_indirect_ref): Declare.
 254         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
 255         to fold an INDIRECT_REF, fall back to the old use of
 256         fold_indirect_ref_1.
 257
 258 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
 259
 260         * tree-data-ref.c (subscript_dependence_tester_1): Call
 261         free_conflict_function.
 262         (compute_self_dependence): Same.
 263
 264 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
 265
 266         PR debug/34249
 267         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
 268         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
 269         function global.
 270         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
 271         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
 272         for DWARF2_UNWIND_INFO targets.
 273
 274 2008-01-16  Richard Guenther  <rguenther@suse.de>
 275
 276         PR c/34768
 277         * c-typeck.c (common_pointer_type): Do not merge inconsistent
 278         type qualifiers for function types.
 279
 280 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 281
 282         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
 283         loop_iterator li from previous commit.
 284
 285 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 286
 287         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
 288
 289 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 290
 291         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
 292         (parallelize_loops): Don't parallelize irreducible components.
 293
 294 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 295
 296         PR c++/24924
 297         * c-opts (c_common_post_options): Do not enable CPP
 298         flag_pedantic_errors by default.
 299
 300 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
 301
 302         PR rtl-optimization/31944
 303         * cse.c (remove_pseudo_from_table): New function.
 304         (merge_equiv_classes): Use above function to remove pseudo-registers.
 305         (invalidate): Likewise.
 306
 307 2008-01-13  Richard Guenther  <rguenther@suse.de>
 308
 309         PR middle-end/34601
 310         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
 311         instead of TYPE_MODE to deal with calls from expand_one_error_var.
 312
 313 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
 314
 315         * gcse.c (cprop_jump): Call validate_unshare_change instead of
 316         validate_change to unshare the source of the PC set.
 317
 318 2008-01-12  Jan Hubicka  <jh@suse.cz>
 319
 320         PR middle-end/32135
 321         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
 322         references above array bounds.  This might trigger bounds checks for
 323         pointers to arrays.
 324
 325 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
 326
 327         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
 328         new_replaceable_dependencies.
 329
 330 2008-01-12  Doug Kwan  <dougkwan@google.com>
 331
 332         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
 333         instead of OPT_Wreturn_type in warning due to ignored return type
 334         qualifiers.
 335         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
 336         options included in -Wextra.
 337         * c.opt: New option -Wignored_qualifiers.
 338         * doc/invoke.texi (Warning Options, -Wextra): Add new option
 339         -Wignore_qualifiers.
 340         (-Wignored-qualifiers): Document.
 341         (-Wreturn-type): Remove description of functionality now handled
 342         by -Wignored-qualifiers.
 343
 344 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
 345
 346         PR ada/33788
 347         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
 348         NOP_EXPR if it is between integral types with the same precision.
 349
 350 2008-01-12  Jan Hubicka  <jh@suse.cz>
 351
 352         PR other/28023
 353         * invoke.texi (max-inline-recursive-depth): Fix default value.
 354
 355 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
 356
 357         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
 358         correct type.
 359
 360 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
 361
 362         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
 363
 364 2008-01-11  James E. Wilson  <wilson@specifix.com>
 365
 366         PR target/26015
 367         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
 368
 369 2008-01-11  Anatoly Sokolov <aesok@post.ru>
 370
 371         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
 372         save/restore frame pointer register and don't use 'call-prologues'
 373         optimization in function with "OS_task" attribute.
 374
 375 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 376
 377         PR middle-end/31309
 378         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
 379         when copying to memory.
 380
 381 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
 382
 383         PR rtl-optimization/30905
 384         * cfgcleanup.c: Include dce.h
 385         (crossjumps_occured): New global variable.
 386         (try_crossjump_bb): Exit loop after finding a fallthru edge.
 387         If something changed, set crossjumps_occured to true.
 388         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
 389         Don't add/remove fake edges to exit here...
 390         (cleanup_cfg): ...but do it here, when crossjumping.
 391         Run a fast DCE when successful crossjumps occured in the latest
 392         iteration of try_optimize_cfg.
 393
 394 2008-01-11  Richard Guenther  <rguenther@suse.de>
 395
 396         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
 397         (struct vn_unary_op_s): Likewise.
 398         (vn_reference_insert): Free old reference on hash collision.
 399
 400 2008-01-10  Raksit Ashok  <raksit@google.com>
 401
 402         PR rtl-optimization/27971
 403         * combine.c (find_split_point): Split PLUS expressions which are
 404         inside a MEM rtx, and whose first operand is complex.
 405
 406 2008-01-10  DJ Delorie  <dj@redhat.com>
 407
 408         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
 409         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
 410         (m32c_hard_regno_ok): Call the underlying function.
 411
 412 2008-01-10  Richard Guenther  <rguenther@suse.de>
 413
 414         PR middle-end/34683
 415         * tree-cfg.c (tree_merge_blocks): Do not go through the
 416         full-blown folding and stmt updating path if we just deal
 417         with virtual operands.
 418         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
 419         test for abnormal SSA_NAMEs.
 420
 421 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
 422
 423         PR middle-end/34641
 424         * reload.c (push_reload): Add assertions.  All constants from
 425         reg_equiv_constant should have been used for replacing the respective
 426         pseudo earlier.
 427         (find_reloads_address): Invoke find_reloads_address_part for
 428         constant taken from the reg_equiv_constant array.
 429
 430 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
 431
 432         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
 433         field (valnum) the first in the struct.  Replace bools with
 434         unit bit fields.
 435
 436 2008-01-10  Richard Guenther  <rguenther@suse.de>
 437
 438         PR tree-optimization/34651
 439         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
 440         types and ordering for masking and converting.
 441
 442 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
 443
 444         PR tree-optimization/34017
 445         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
 446         also for PHI_NODE expressions.
 447
 448 2008-01-09  Jan Hubicka  <jh@suse.cz>
 449
 450         PR tree-optimization/34708
 451         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
 452         based on number of case labels.
 453         (init_inline_once): Remove switch_cost.
 454         * tree-inline.h (eni_weights_d): Remove switch_cost.
 455
 456 2008-01-09  Richard Guenther  <rguenther@suse.de>
 457         Andrew Pinski  <andrew_pinski@playstation.sony.com>
 458
 459         PR middle-end/30132
 460         * gimplify.c (gimplify_cond_expr): Do not create an addressable
 461         temporary if an rvalue is ok or an lvalue is not required.
 462
 463 2008-01-09  Richard Guenther  <rguenther@suse.de>
 464
 465         PR middle-end/34458
 466         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
 467         adjust return type.
 468
 469 2008-01-09  Richard Guenther  <rguenther@suse.de>
 470
 471         PR middle-end/34679
 472         * tree.c (host_integerp): Check for sizetype only if the
 473         type is an integer type.
 474
 475 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
 476
 477         PR debug/26364
 478         * opts.c (decode_options): Disable inlining of functions called
 479         once if not in unit-at-a-time mode.
 480
 481 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
 482
 483         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
 484
 485 2008-01-08  Richard Guenther  <rguenther@suse.de>
 486
 487         PR middle-end/31863
 488         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
 489         out early if the result will be unused.
 490
 491 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
 492
 493         PR target/34709
 494         Revert:
 495
 496         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 497         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
 498         for TARGET_RECIP.
 499
 500 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
 501
 502         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
 503         for vectorization tuned.
 504
 505 2008-01-08  Richard Guenther  <rguenther@suse.de>
 506
 507         PR tree-optimization/34683
 508         * tree-ssa-operands.c (operand_build_cmp): Export.
 509         * tree-ssa-operands.h (operand_build_cmp): Declare.
 510         * tree-vn.c (vuses_compare): Remove.
 511         (sort_vuses): Use operand_build_cmp.
 512         (sort_vuses_heap): Likewise.
 513         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
 514         to re-use old VEC if available.  Do not sort already sorted VUSEs.
 515         (vdefs_to_vec): Do not sort already sorted VDEFs.
 516
 517 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
 518
 519         PR middle-end/34694
 520         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
 521
 522 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
 523
 524         PR target/34702
 525         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
 526         limitations of reciprocal sequences on x86 targets.
 527
 528 2008-01-08  Richard Guenther  <rguenther@suse.de>
 529
 530         PR tree-optimization/34683
 531         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
 532
 533 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
 534
 535         PR target/34622
 536         * config/darwin.c (darwin_mergeable_string_section): Don't use
 537         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
 538
 539 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
 540
 541         PR target/34682
 542         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
 543         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
 544         predicates of op0 and op1 to register_operand.
 545         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
 546         expander using X87MODEF mode iterator.  Change predicates of
 547         op0 and op1 to register_operand.
 548         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
 549         corresponding patterns and macroize using MODEF macro.  Change
 550         predicates of op0 and op1 to register_operand and remove
 551         "m" constraint. Disparage "r" alternative with "!".
 552         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
 553         macroize using X87MODEF macro.  Change predicates of op0 and op1
 554         to register_operand and remove "m" constraint.  Disparage "r"
 555         alternative with "!".
 556         (absneg splitter with memory operands): Remove.
 557         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
 558         patterns and macroize using X87MODEF mode iterator.
 559         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
 560         Change predicate of op1 to register_operand.
 561         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
 562         for memory operands.
 563
 564 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
 565
 566         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
 567
 568 2008-01-07  Richard Guenther  <rguenther@suse.de>
 569
 570         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
 571         fields.
 572
 573 2008-01-07  Richard Guenther  <rguenther@suse.de>
 574
 575         PR tree-optimization/34683
 576         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
 577         VOPs of the needed size to save memory.  Use VEC_quick_push
 578         to save compile-time.
 579         (vdefs_to_vec): Likewise.
 580
 581 2008-01-07  Sa Liu  <saliu@de.ibm.com>
 582
 583         * config/spu/spu.md (divdf3): Genetate inline code for double
 584         division.  The implementation doesn't handle INF or NAN, therefore it
 585         only applies when -ffinite-math-only is given.
 586
 587 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
 588
 589         PR libstdc++/34680
 590         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
 591         * doc/cpp.texi ([Common Predefined Macros]): Document.
 592
 593 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
 594
 595         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
 596         order to use commutative addition instead of subtraction.
 597
 598 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 599             Mircea Namolaru  <namolaru@il.ibm.com>
 600             Vladimir Yanovsky  <yanov@il.ibm.com>
 601             Revital Eres  <eres@il.ibm.com>
 602
 603         PR tree-optimization/34263
 604         * tree-outof-ssa.c (process_single_block_loop_latch,
 605         contains_tree_r): New functions.
 606         (analyze_edges_for_bb): Call process_single_block_loop_latch
 607         function to empty single-basic-block latch block if possible.
 608
 609 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 610
 611         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
 612         for TARGET_RECIP.
 613         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
 614
 615 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
 616
 617         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
 618
 619 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
 620
 621         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
 622
 623 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
 624
 625         PR tree-optimization/34618
 626         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
 627         flag from T.
 628
 629 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 630
 631         PR target/34673
 632         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
 633         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
 634         Update copyright year.
 635
 636         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
 637         Update copyright year.
 638         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
 639         using NR fixup.
 640
 641 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
 642
 643         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
 644         edge does not point to current bb before changing need_assert.
 645
 646 2008-01-04  Richard Guenther  <rguenther@suse.de>
 647
 648         PR middle-end/34029
 649         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
 650         for verifying purposes if they are is_gimple_min_invariant.
 651
 652 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
 653
 654         PR tree-optimization/34448
 655         PR tree-optimization/34465
 656         * gimplify.c (gimplify_init_constructor): Add new parameter
 657         notify_temp_creation.  Use it.
 658         (gimplify_modify_expr_rhs): Take volatiles into account when
 659         optimizing constructors.
 660         Do not optimize constructors if gimplify_init_constructor will dump to
 661         memory.
 662         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
 663         * gcc.c-torture/compile/pr34448.c: New.
 664
 665 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
 666
 667         PR gcov-profile/34609
 668         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
 669         return_slot if result is TREE_ADDRESSABLE.
 670
 671 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
 672
 673         * config/mips/mips.md (sqrt_condition): Tweak comment.
 674         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
 675
 676 2008-01-03  Tom Tromey  <tromey@redhat.com>
 677
 678         PR c/34457
 679         * c-common.c (c_type_hash): Handle VLAs.
 680
 681 2008-01-03  Jan Hubicka  <jh@suse.cz>
 682
 683         PR tree-optimization/31081
 684         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
 685         0 when inlining and not inlining to first basic block.
 686         (remap_decl): When var is initialized to 0, don't set default_def.
 687         (expand_call_inline): Set entry_bb.
 688         * tree-inline.h (copy_body_data): Add entry_bb.
 689
 690 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
 691
 692         PR c++/34619
 693         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
 694         before returning.
 695
 696         PR tree-optimization/29484
 697         * tree-inline.c (inline_forbidden_p_2): New function.
 698         (inline_forbidden_p): Disallow inlining if some static var
 699         has an address of a local LABEL_DECL in its initializer.
 700         * doc/extend.texi (Labels as Values): Document &&foo behaviour
 701         vs. inlining.
 702
 703 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
 704
 705         PR tree-optimization/34635
 706         * tree-data-ref.c (add_other_self_distances): Make sure that the
 707         evolution step is constant.
 708
 709 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
 710
 711         PR middle-end/34608
 712         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
 713
 714 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
 715
 716         * tree-sra.c (scalarize_init): Insert the generate_element_init
 717         statements after the generate_element_zero statements.
 718
 719 2008-01-02  Richard Guenther  <rguenther@suse.de>
 720
 721         PR middle-end/34093
 722         PR middle-end/31976
 723         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
 724         for very large number of operands instead of ICEing.
 725
 726 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
 727
 728         PR target/34013
 729         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
 730         while stack probing.
 731
 732 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
 733
 734         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
 735         in C++0x mode.
 736
 737 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
 738
 739         PR libmudflap/26442
 740         * tree-mudflap.c (mx_register_decls): Guard warning by
 741         !DECL_ARTIFICIAL check.
 742
 743 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
 744
 745         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
 746         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
 747         sse5_perm<mode>): Fix constraints.